Show HN Daily Selection (2025-07-18)

07/18/2025

Developer Tools

Productivity

Education

Consumer Tech

Entertainment

Research

Audio

Design

• Easy alternative to giflib – header-only decoder in C
• FavBox is a local-firs browser extension for bookmark management
• Object database for LLMs that persists across chats (MCP server)
• I built a cute focus timer where you can grow an infinite garden
• Claude‑CMD – A CLI for managing Claude Code commands and workflows
• I Wrote a 680-Page Interactive Book on Data Structures and Algorithms
• Detailed explanation and guide to understanding gene editing treatments
• I built a 2B-page search engine, independent of Google/Bing
• Conductor, a Mac app that lets you run a bunch of Claude Codes at once
• LangWhich – a 30‑second daily challenge to recognize languages
• WordPress Without PHP – Build Apps and CLI Tools in TypeScript
• Cobble – A hard daily word game
• kiln – Git-native, decentralized secret management using age
• Needle – An Explorable Map of the News
• templUI Pro – A minimal UI kit for Go and templ apps
• Sapphire – Unleashing GPT-2-mini into emergence
• InstaPodz – I made this to turn my boring commute into learning session
• Rqmts – Prioritize Requirements
• Convert text/image to 3D model in seconds,No Login Required
• Made Wheel of Names Without Registration
• Visualize Wikipedia link graph, opensourced
• Quick Info on Cursor – Hoverless Tooltips for Keyboard-Only Coding

Show HN Daily Selection (2025-07-17)

07/17/2025

Education

Developer Tools

Image

Entertainment

Productivity

Consumer Tech

Text

Life Assistant

• A 'Choose Your Own Adventure' written in Emacs Org Mode
• Improving search ranking with chess Elo scores
• An MCP server that gives LLMs temporal awareness and time calculation
• DataRamen, a Fast SQL Explorer with Automatic Joins and Data Navigation
• Clippy – a better pbcopy for macOS that handles files properly
• Achieves Perfect 100 Score Across 6 Leading AI Model Evaluations
• Display Photos on a World Map
• GitGuard - Painless GitHub PR Automations
• Fast word game to test your vocab and speed
• Git Blame Made Interactive – Ask Your Git Repo Who Did What and When
• Infinite Canvas for Notes
• I Made a Simple Tool to Get English IPA Pronunciation Fast
• HN v0.2.1 – Native macOS app for reading HN
• Hot Take Generator – Turn your thoughts into hot takes
• I built a dream interpreter in JavaScript, no AI, no server, just logic
• Tlsinfo.me – check your JA3/JA4 TLS fingerprints
• Created a Chrome extension to practice typing on any website

Show HN Daily Selection (2025-07-16)

07/16/2025

Consumer Tech

Developer Tools

Finance

Design

Education

Entertainment

Productivity

Audio

Life Assistant

• Shoggoth Mini – A soft tentacle robot powered by GPT-4o and RL
• Beyond Z²+C, Plot Any Fractal
• We made our own inference engine for Apple Silicon
• The Card Caddie, free tool to optimize credit card points
• Encode Base64
• Pagy 2.0, a free drag-and-drop website builder
• Mochi Invaders – Like Space Invaders but for Practicing Japanese Kana
• BotBudget – AI Agent Cost Calculator
• RooAGI's Roo-VectorDB: A New PostgreSQL Extension for Vector Search
• Minesweeper game I built to be real-time Multiplayer
• RAGsplain – What does your RAG model see before it answers?
• I bulit Kanba, open source alternative to Trello, self-hostable PM tool
• Compare Speech APIs Live (OpenAI, Google, Deepgram, Soniox, etc.)
• Weekday clock, a clock for people who dont work or go to school
• LockIn – Track and visualize wasted time on iPhone
• Local Lens – MCP that captures logs and network reqs for debugging
• Phasers – emergent AI identity project using GPT-2 and memory shadows

Show HN Daily Selection (2025-07-15)

07/15/2025

Entertainment

Developer Tools

Text

Business

Image

• The HTML Maze – Escape an eerie labyrinth built with HTML pages
• Forge – Connect multiple AI models through a single API
• Refine – A Local Alternative to Grammarly
• Assholes who care. Vetting gofundme campaigns in Uganda Africa
• Google Maps can't map a story – MapScroll does, from one prompt
• Portia – A stateful Crew AI alternative, with auth and 1000 tools
• Native Zero-JDK
• Goliteql – A fast GraphQL executor and code generator in Go
• PlutoFilter- A single-header, zero-allocation image filter library in C
• I wrote backend editor that adds AI agents and database to Lovable UIs
• TechBro Generator – Generate Satirical TechBro Posts

Show HN Daily Selection (2025-07-14)

07/14/2025

Developer Tools

Education

Life Assistant

Productivity

Consumer Tech

Entertainment

Design

Audio

ChatBots

• A Raycast-compatible launcher for Linux
• Learn LLMs LeetCode Style
• A Lisp for code generation and metaprogramming in non-Lisp languages
• A Browser-Only Dream Interpreter Using Symbol Logic and JavaScript
• I built this to talk Danish to my girlfriend – works with any language
• Type-safe PostgreSQL helpers for Kysely – arrays, JSONB, and vector ops
• c0admin – A terminal-based AI assistant for Linux sysadmins
• I made a free tool to sync Strava activities with your calendar
• CMS-like editing for Markdown with contenteditable and 100 lines of JS
• The simplest way to use MCP. local-first. 100% open source
• An open-source, Android app for discovering privacy-respecting software
• Clu3 – Team up with GPTs in a 2v2 game of codenames
• HNping 'remind me later' for HN via web push
• I added Game of Life to my Portfolio Website and it's so cool
• Sohri – Turn short stories into binge-able audio episodes
• We developed an AI tool to diagnose car problems
• I built an LLM chat app because we shouldn't need 10 AI subscriptions
• Magnetar, a high-perf BitTorrent parsing and manipulation library
• 0xDEAD//Type – A Fast-Paced Typing Shooter with Retro Vibes
• FluidAudio – Swift Speaker Diarization on CoreML

Show HN Daily Selection (2025-07-13)

07/13/2025

Design

Developer Tools

Education

Business

Health

ChatBots

• DesignArena – crowdsourced benchmark for AI-generated UI/UX
• BinaryRPC – Lightweight WebSocket-based RPC framework in modern C++
• An educational Local Qwen3 LLM Inference project written in Rust
• Train Block Diffusion Models on Consumer Hardware (RTX 4090) in Hours
• Microsoft official MCP for documentation and more
• Reviving a 20 year old OS X App
• Manage your small business with this simple ERP
• Transition – AI Triathlon Coach
• VibeKin – Gated Discord Tribes via Personality Matching

Show HN Daily Selection (2025-07-12)

07/12/2025

Developer Tools

Productivity

Finance

Entertainment

• RULER – Easily apply RL to any agent
• Vibe Kanban – Kanban board to manage your AI coding agents
• An Improvisational Web Server
• Director – Local first, open source MCP Gateway
• NodeLoop – Hub for electronics design knowledge and tools
• TUI personal monthly budget planner
• AI Movie Finder – I created a way to find movies by describing
• Code is all you need – Sherlog MCP

Show HN Daily Selection (2025-07-11)

07/11/2025

Consumer Tech

Productivity

Developer Tools

Image

Health

Design

Marketing

Education

Business

Inspiration

• Open source alternative to Perplexity Comet
• Cactus – Ollama for Smartphones
• Typeform was too expensive so I built my own forms
• asyncmcp – Run MCP over async transport via AWS SNS+SQS
• Pangolin – Open source alternative to Cloudflare Tunnels
• I built a playground to showcase what Flux Kontext is good at
• Endorphin AI–Run browser E2E tests from plain English with QA AI agent
• Ten years of running every day, visualized
• I rebuilt few years old project and now it covers my expenses
• I Built an AI Agent Ecosystem That Optimises Your Google Ads for You
• I built an app to turn my kids' questions into podcasts
• I made a tool to make LinkedIn posting feel less like a chore
• Still coding in VC++ 6.0 after losing everything, living in a trailer
• NotebookLM Web Importer

Show HN Daily Selection (2025-07-10)

07/10/2025

Consumer Tech

Education

Audio

Developer Tools

Productivity

Life Assistant

Design

• FlopperZiro – A DIY open-source Flipper Zero clone
• MCP server for searching and downloading documents from Anna's Archive
• Petrichor – a free, open-source, offline music player for macOS
• I rewrote an outdated React Native map clustering library
• Pyhoff – Connect Python ML Models to Beckhoff/WAGO IO Hardware
• Todo2 – AI Project Manager Inside Cursor
• Stravu – Editable, multi-player AI notebooks with text, tables, diagram
• Snub – A fast, lightweight file search CLI for Windows (written in C)
• Multi-session Claude Code manager with async workflow
• Piplo helps you stay in touch with the people who matter
• A Truth Table Generator Written in Common Lisp
• Cool Symbols
• I built "Schnippi", my dream screenshot Chrome extension

Show HN Daily Selection (2025-07-09)

07/09/2025

Entertainment

Productivity

Audio

Business

Developer Tools

Image

Health

• OffChess – Offline chess puzzles app
• A rain Pomodoro with brown noise, ASMR, and Middle Eastern music
• Jukebox – Free, Open Source Group Playlist with Fair Queueing
• I built a tool to solve window management
• Sumble – knowledge graph for GTM data – query tech stack, key projects
• Track the AI-generated code in your repo
• Dashboard tracking all GitHub PRs and analyzing Code Agent activity
• ModelFetch – Deploy MCP servers anywhere TypeScript/JavaScript runs
• PulseTimer – A clean, customizable work/break timer you can self-host
• Free Unlimited Photo Enhancer, Background Remover, AI Image Gen, etc.
• The Ordeal Visualizer
• Trying to eat better? I built a nutrional assistant
• HireIndex – A Searchable Directory for Who Wants to Be Hired on HN
• I built a single API to post on all social platforms
• Gore – A Doom Engine Port in Go

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